CN117364858B - Bridge foundation pile detection device based on ultrasonic technology - Google Patents

Bridge foundation pile detection device based on ultrasonic technology Download PDF

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Publication number
CN117364858B
CN117364858B CN202311647937.3A CN202311647937A CN117364858B CN 117364858 B CN117364858 B CN 117364858B CN 202311647937 A CN202311647937 A CN 202311647937A CN 117364858 B CN117364858 B CN 117364858B
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adjacent
distributed
detection
shaft
fixedly connected
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CN117364858A (en
Inventor
刘素英
王少芳
史秋香
刘伟超
张建龙
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Langfang Xiangyu Engineering Consulting Co ltd
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Langfang Xiangyu Engineering Consulting Co ltd
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D33/00Testing foundations or foundation structures

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

The invention discloses a bridge foundation pile detection device based on an ultrasonic technology, and relates to the field of bridge foundation pile construction. The detection device comprises a base, the rigid coupling has the support frame on the base, the support frame rotates and is connected with evenly distributed's receipts spool, around being equipped with the connecting pipe on the receipts spool, the connecting pipe is provided with the detection shell, sliding connection has the detection head in the detection shell, sliding connection has annular and is the first shutoff piece that mirror image distributes in the detection shell, is the mirror image distributes the rigid coupling has the shutoff baffle between the first shutoff piece, detection shell sliding connection has the annular second shutoff piece that is mirror image distribution. According to the invention, the probe is centered and stabilized at the central shaft position of the sound measuring tube through the cooperation of the detection shell, the first blocking block, the blocking baffle and the second blocking block, so that the probe is prevented from contacting the inner wall of the sound measuring tube and simultaneously forms a closed cavity, water in the cavity is isolated from the outside, and the influence of the flow of the water on ultrasonic wave transmission during detection is avoided.

Description

Bridge foundation pile detection device based on ultrasonic technology
Technical Field
The invention relates to the field of bridge foundation pile construction, in particular to a bridge foundation pile detection device based on an ultrasonic technology.
Background
The bridge is an important infrastructure in traffic operation, and the foundation pile is used as an important component for supporting and stabilizing the bridge, and the parameter condition inside the bridge foundation pile is detected through the bridge foundation pile detection device in the construction process, and the structural state of the foundation pile can be timely and accurately detected through transmitting ultrasonic signals and utilizing echo signals.
The existing bridge foundation pile detection device is characterized in that water is filled into a sound detection tube when the existing bridge foundation pile detection device detects the bridge foundation pile, consistency of sound wave transmission media is guaranteed, however, the fluidity of the water can influence transmission of sound waves during detection, so that detection accuracy is reduced, the state of a probe in the sound detection tube is difficult to control, the probe is easy to contact with the sound detection tube during monitoring, and detection accuracy is reduced when the probe is damaged.
Disclosure of Invention
In order to overcome the defects that the state of a probe side head is difficult to control and synchronous pulling detection is difficult to realize, the invention provides a bridge foundation pile detection device based on an ultrasonic technology.
Bridge foundation pile detection device based on ultrasonic wave technique, including the base, the rigid coupling has the support frame on the base, the support frame rotates and is connected with evenly distributed's receipts spool, support frame one side rigid coupling has the motor, the rigid coupling has the air pump on the base, be provided with on the base with the fixed pulley that the receipts spool corresponds, evenly distributed all around being equipped with the connecting pipe on the receipts spool, the air outlet of air pump and evenly distributed the connecting pipe all communicate, the connecting pipe keeps away from the adjacent the one end of receipts spool is provided with surveys the shell, sliding connection has the detection head in the detection shell, sliding connection has annular and be the first shutoff piece that mirror image distributes in the detection shell, annular and be the mirror image distribution first shutoff piece is located adjacent the upper and lower both sides of detection head, be the rigid coupling has the shutoff baffle between the first shutoff piece that mirror image distributes, annular and adjacent it is mirror image distribution's second shutoff piece to survey shell sliding connection, annular and distributed second shutoff piece are located the mirror image and are located the two sides of detection head and are located the second shutoff piece and are used for the inflation assembly to drive the shutoff piece.
Further, the fixed pulleys are uniformly distributed in an equilateral triangle, and the equilateral triangle is arranged in the round interior of the bridge foundation pile.
Further stated, the arc-shaped sealing ring is formed by matching the first sealing blocks distributed in an annular mode and the second sealing blocks distributed in an adjacent annular mode, and the arc angle of the arc-shaped sealing ring is larger than 180 degrees.
Further stated, the inflation assembly comprises inflation bins which are distributed in a mirror image mode, the inflation bins which are distributed in a mirror image mode are fixedly connected to two sides, away from the adjacent detection heads, of the adjacent detection heads respectively, the inflation bins which are distributed in a mirror image mode are communicated through hoses, the inflation bins which are close to one side of the base are in sliding connection with one end, away from the adjacent winding shaft, of the connecting pipe, a first piston connecting rod is hinged to one side, close to the adjacent inflation bin, of the second blocking block, a spring is fixedly connected between one side, close to the adjacent detection heads, of the first piston connecting rod and the adjacent detection heads, a second piston connecting rod is hinged to one side, close to the adjacent detection heads, of the first blocking block, and the telescopic end of the first piston connecting rod and the telescopic end of the adjacent second piston connecting rod are both in sliding connection with the adjacent inflation bins.
Further, the first blocking piece and the second blocking piece are internally provided with air inflation cavities, the air inflation cavities in the second blocking piece are communicated with adjacent air inflation cabins through hoses, communication ports are formed in one contact side of the first blocking piece and one contact side of the second blocking piece, and ball valves are arranged in the communication ports in one contact side of the first blocking piece and one contact side of the second blocking piece.
Further, the tightening assembly comprises tightening assemblies arranged on the winding shafts which are uniformly distributed, the tightening assemblies comprise supporting shafts which are in mirror image distribution, the supporting shafts which are in mirror image distribution are respectively and rotationally connected in the adjacent winding shafts, the output shafts of the motors are fixedly connected with the adjacent supporting shafts, the supporting shafts which are in mirror image distribution are rotationally connected with the supporting frames, limit ratchets are arranged at the rotational connection parts of the winding shafts and the supporting frames, pawls are arranged at the rotational connection parts of the supporting frames and the winding shafts, the limit ratchets are in limit fit with the pawls on the supporting frames, power shafts are fixedly connected with one sides of the power shafts which are far away from the motors, limit baffles are fixedly connected on one sides of the power shafts, tightening gears corresponding to the winding shafts which are uniformly distributed are in sliding connection with the power shafts, the tightening gear is positioned at one side of the adjacent limit baffle close to the motor, the synchronous baffle which is in mirror image distribution is fixedly connected in the winding shaft, the tightening gear is in limit fit with the adjacent synchronous baffle in the winding shaft, a reset torsion spring is fixedly connected between the tightening gear and the adjacent limit baffle, a thread groove positioned between the adjacent limit baffle and the adjacent tightening gear is arranged on the power shaft, the tightening gear is in limit fit with the thread groove on the adjacent power shaft, a trigger frame is fixedly connected at one side of the tightening gear close to the motor, a spring reset rod is connected in sliding manner in the trigger frame, the spring reset rod is in contact fit with the power shaft, a spring reset slider positioned between the adjacent limit baffle and the adjacent tightening gear is connected on the power shaft in a sliding manner, the spring return rod is in contact fit with the spring return sliding block.
Further, the winding assembly comprises an adjusting shaft, the adjusting shaft is slidably connected in the power shaft, a uniformly distributed rewinding gear is fixedly connected on the adjusting shaft, the rewinding gear is located adjacent in the winding shaft, the rewinding gear is located on one side of the tightening gear, which is close to the motor, the rewinding gear is in limit fit with an adjacent synchronous baffle of the winding shaft, a reset plate is fixedly connected on one side of the adjusting shaft, which is far away from the motor, a reset spring is fixedly connected between one side of the adjusting shaft, which is close to the adjacent supporting shaft, of the adjusting shaft, a uniformly distributed wedge-shaped stop block is fixedly connected on the adjusting shaft, the wedge-shaped stop block is located adjacent on one side of the spring reset block, which is far away from the motor, a limit rail is fixedly connected on one side of the adjusting shaft, a uniformly distributed reset straight rod is located adjacent on one side of the limit rail, which is far away from the motor, and the reset straight rod is in contact with the adjacent limit rail.
Further, the distance between the tightening gear and the adjacent rewinding gear is always larger than the distance between the synchronous baffles in mirror image distribution in the rewinding shaft.
Further, the lateral distance between the limiting track and the adjacent spring return slide block is smaller than the lateral distance between the adjacent wedge-shaped stop block on the adjusting shaft and the adjacent return straight rod, and the elastic coefficient of the spring in the spring return slide block is smaller than the elastic coefficient of the spring in the adjacent spring return rod.
Further, the device comprises a ventilation straight rod which is uniformly distributed, wherein the ventilation straight rod is fixedly connected to one end of the adjacent connecting pipe, which is far away from the adjacent winding shaft, a vent hole is formed in one side, close to the base, of the detection shell, a vent hole corresponding to the vent hole on the detection shell is formed in the inflation bin, which is close to one side of the base, the ventilation straight rod is simultaneously used for blocking the vent hole on the detection shell and the vent hole on the inflation bin, an air passage is formed in the ventilation straight rod, and a reset tension spring is fixedly connected between one end, which is far away from the adjacent winding shaft, of the connecting pipe and the inflation bin.
The beneficial effects of the invention are as follows: according to the invention, through the cooperation of the detection shell, the first blocking block, the blocking baffle and the second blocking block, the detection head is centered and stabilized at the central shaft position of the sound detection tube, so that the detection head forms a closed cavity while avoiding contact with the inner wall of the sound detection tube, water in the cavity is isolated from the outside, and the influence of water flow on ultrasonic wave transmission during detection is avoided; the first blocking block, the blocking baffle and the second blocking block are tightly attached to the sound measuring tube to form a closed cavity isolated from the outside, and the detecting head is stabilized at the central shaft position of the sound measuring tube; the ball valve is arranged at the matching position of the first plugging block and the second plugging block, so that the cavities in the first plugging block and the second plugging block are communicated, and after the inflation in the inflation bin, the first plugging block and the second plugging block are synchronously expanded, and are more tightly attached to the sound measuring tube; the reset torsion spring is matched with the thread groove on the power shaft and the tightening gear, when the tension of the connecting pipe to the winding shaft is increased to be equal to the gravity of the detection shell and the detection head, the tightening gear is released from being matched with the winding shaft under the action of the thread groove on the power shaft, and then the tightening gear is reset through the reset torsion spring, so that the connecting pipe which is not tightened is pre-tightened when the winding shaft winds the connecting pipe, and the three detection shells and the detection head which are distributed in an annular mode are prevented from generating up-down displacement difference; through the cooperation of regulating spindle, rollback gear and spring return slider, drive spring return slider after three rolling axles all tighten up the connecting pipe and remove the spacing to the regulating spindle, make rollback gear drive three rolling axles and upwards stimulate three detection shell and detection head in step, increase the precision when detecting.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of a probe housing according to the present invention;
FIG. 3 is a perspective view of a detecting housing according to the present invention;
FIG. 4 is a cross-sectional view of the three-dimensional structure of the probe housing and the inflatable cartridge of the present invention;
FIG. 5 is a cross-sectional view of a perspective structure of a first block and a second block according to the present invention;
FIG. 6 is a schematic perspective view of the support frame, the winding shaft and the motor of the present invention;
FIG. 7 is a cross-sectional view of the interior of the take-up reel of the present invention;
FIG. 8 is a partial perspective view of a support frame and take-up reel of the present invention;
FIG. 9 is a partial perspective cross-sectional view of the tightening mechanism of the present invention;
FIG. 10 is a schematic perspective view of a power shaft according to the present invention;
FIG. 11 is a perspective view of a take-up mechanism and a winding mechanism of the present invention;
FIG. 12 is a schematic perspective view of a spring return lever and spring return slide of the present invention;
FIG. 13 is a cross-sectional view of the three-dimensional structure of the connecting tube and the inflatable cartridge of the present invention.
The reference numerals in the drawings are: 1: base, 2: control module, 3: support frame, 4: a winding shaft, 5: and (2) a motor, 6: air pump, 7: fixed pulley, 8: connecting pipe, 901: probe shell, 902: probe head, 903: first block, 904: plugging baffle, 905: second block 906: inflation bin, 907: first piston rod, 908: second piston rod, 909: ball valve, 1001: support shaft, 1002: spacing ratchet, 1003: power shaft, 1004: limit baffle, 1005: reset torsion spring, 1006: tightening gear, 1007: adjustment shaft, 1008: rewinding gear, 1009: trigger frame, 1010: spring return lever, 1011: spring return slider, 1012: limit rail, 1101: ventilation straight bar, 1102: and resetting the tension spring.
Detailed Description
The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which currently preferred embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Embodiment 1, as shown in fig. 1-4, the bridge foundation pile detection device based on ultrasonic technology, including a base 1, the right side of the base 1 is fixedly connected with a control module 2, the rear side of the base 1 is fixedly connected with a support frame 3, three winding shafts 4 are simultaneously connected on the support frame 3 in a rotating way, the right side of the support frame 3 is fixedly connected with a motor 5, an air pump 6 is fixedly connected on the base 1, three fixed pulleys 7 corresponding to the winding shafts 4 are arranged on the base 1, the three fixed pulleys 7 are distributed in an equilateral triangle, the equilateral triangle is arranged in the circular interior of the bridge foundation pile, connecting pipes 8 are respectively wound on the three winding shafts 4, an air outlet of the air pump 6 is communicated with the connecting pipes 8, the lower end of each connecting pipe 8 is connected with a detection shell 901 in a sliding way, a detection head 902 is connected in the detection shell 901 in a sliding way, a first blocking block 903 which is annular and is distributed in a mirror image way is connected in a sliding way, the first blocking blocks 903 which are in mirror image distribution are respectively positioned at the upper side and the lower side of the adjacent detection heads 902, blocking baffles 904 are fixedly connected between the first blocking blocks 903 which are in mirror image distribution at the outer side, the blocking baffles 904 are in sliding connection with the adjacent detection shells 901, the adjacent two blocking baffles 904 are in mirror image distribution, the second blocking blocks 905 which are in mirror image distribution are in sliding connection with the rings in the detection shells 901, the second blocking blocks 905 which are in mirror image distribution are positioned at the upper side and the lower side of the detection heads 902, the arc-shaped sealing rings are formed by the matching of the first blocking blocks 903 which are in ring distribution and the second blocking blocks 905 which are in ring distribution, the arc angle of the arc-shaped sealing rings is larger than 180 degrees, a closed cavity is formed by the matching of the two arc-shaped sealing rings, the blocking baffles 904 and the sounding pipes, the detection heads 902 are positioned in the adjacent closed cavity, and water in the cavity is isolated from the outside, the water in the sounding pipe circulates through the interval position of arc sealing ring rear side, make the detecting head 902 avoid with the water contact of external flow, keep the stability of sound wave transmission medium, and avoid detecting head 902 and sounding pipe contact, cause the damage of detecting head 902, be provided with in the detection shell 901 and aerify the subassembly, connecting pipe 8 aerify to the subassembly and drive adjacent and be the first shutoff piece 903 that mirror image distributes, shutoff baffle 904 and second shutoff piece 905 stretch out in follow adjacent detection shell 901, thereby the cooperation forms the arc sealing ring, control module 2 is connected with motor 5, air pump 6 and the equal electricity of detecting head 902.
As shown in fig. 3 and 4, the inflating assembly comprises two inflating cabins 906 which are in mirror image distribution at the upper side and the lower side, the two inflating cabins 906 which are in mirror image distribution at the upper side and the lower side are fixedly connected in the upper side and the lower side of the adjacent detecting shell 901 respectively, the two inflating cabins 906 which are in mirror image distribution at the upper side and the lower side are communicated through hoses, the inflating cabins 906 at the upper side are slidingly connected with the lower ends of the adjacent connecting pipes 8, one side of each of the two second blocking blocks 905 positioned in the adjacent detecting shell 901 is hinged with a first piston connecting rod 907, a spring is fixedly connected between the lower side of the first piston connecting rod 907 and the adjacent detecting shell 901, one side of each of the three first blocking blocks 903 positioned in the adjacent detecting shell 901 is hinged with a second piston connecting rod 908, the telescopic ends of the first piston connecting rod 907 and the adjacent second piston connecting rod 908 are both connected in the adjacent inflating bin 906 in a sliding manner, the air pump 6 inflates and maintains pressure in the adjacent inflating bin 906 at the upper side through the connecting pipe 8, so that the two groups of first blocking blocks 903 and second blocking blocks 905 which are in mirror image distribution extend out of the adjacent detection shell 901 in sequence, the first piston connecting rod 907 enables the first blocking blocks 903 to extend out of the adjacent detection shell 901 before the second blocking blocks 905 under the action of a spring, and the two groups of first blocking blocks 903 and second blocking blocks 905 which are in mirror image distribution always keep a close fit state with the sounding pipe under the action of air pressure, thereby realizing the effect of forming a closed cavity, avoiding the influence of the detection head 902 by external factors and improving the detection accuracy.
As shown in fig. 5, the first block 903 and the second block 905 are both provided with an air-filling cavity, the air-filling cavity in the second block 905 is communicated with the adjacent air-filling cavity 906 through a hose, one side of the first block 903 and the adjacent second block 905 in contact fit is provided with a communication port, the communication port on one side of the first block 903 and the adjacent second block 905 in contact fit is provided with a ball valve 909, the first block 903 extends out of the adjacent detection shell 901 before the adjacent second block 905, and under the action of the ball valve 909 on one side of the first block 903 and the adjacent second block 905 in contact with each other, the air-filling cavity 906 circulates air into the cavity of the first block 903 and the adjacent second block 905 in contact fit and expands the cavity of the adjacent first block 903 and the adjacent second block 905 so as to achieve closer fitting of the first block 903 and the adjacent second block 905 with a sound tube.
When the detection device is used for detecting the bridge foundation pile by a user, the operator firstly fills water into three preset annular evenly distributed sound measuring pipes when the bridge foundation pile is constructed, so that the transmission medium of sound waves in the sound measuring pipes is kept unique, then the operator places the detection shell 901 and the detection head 902 from the corresponding inlets of the sound measuring pipes, and simultaneously lowers the connecting pipes 8 wound on the three winding shafts 4, so that the detection shell 901 and the detection head 902 fall to the bottoms of the sound measuring pipes under the action of gravity, and at the moment, the pulling of the connecting pipes 8 is stopped and placed on the fixed pulleys 7.
After the detection shell 901 and the detection head 902 are placed in the sound detection tube and move to the bottom of the sound detection tube, an operator controls the air pump 6 to inflate into the adjacent inflation bin 906 through the connecting tube 8, so that the first piston connecting rod 907 and the second piston connecting rod 908 which are positioned in the inflation bin 906 extend out from the inside to one side of the adjacent detection head 902, under the action of the adjacent spring at the lower side of the first piston connecting rod 907, the second piston connecting rod 908 extends before the adjacent first piston connecting rod 907, the second piston connecting rod 908 drives the adjacent first blocking block 903 to move outwards from the adjacent detection shell 901, the upper and lower side first blocking blocks 903 simultaneously drive the adjacent blocking baffle 904 to move outwards from the detection shell 901 until the annularly distributed first blocking blocks 903 and the adjacent blocking baffle 904 are stopped after being contacted with the sound detection tube, the operator controls the air pump 6 to continue to inflate into the inflation bin 906 through the connecting tube 8, when the air pressure in the inflating bin 906 gradually increases to enable the adjacent first piston connecting rod 907 to move downwards and extrude the spring at the lower side of the adjacent first piston connecting rod 907, the first piston connecting rod 907 drives the adjacent second blocking block 905 to move outwards from the adjacent detecting shell 901 until the second blocking block 905 distributed in a ring shape is stopped after contacting with the sound tube, the first blocking block 903 distributed in a ring shape and the adjacent second blocking block 905 form an arc-shaped sealing ring with an arc angle larger than 180 degrees, the arc-shaped sealing rings at the upper side and the lower side, the blocking baffles 904 at the two sides and the sound tube form a cavity sealed relative to the outside in a matching manner, meanwhile, the detecting shell 901 and the detecting head 902 are stably centered at the central axis position of the sound tube, the interference of the outside factors on sound wave detection is reduced when the detecting shell 901 drives the adjacent detecting head 902 to move in the sound tube, the water in the cavity is isolated from the water outside the cavity, so that the influence of flowing water on ultrasonic transmission is reduced, and meanwhile, the water in the sound tube flows through the rear side of the detection shell 901.
After the first block 903 and the adjacent second block 905 are in contact with the acoustic tube, in an initial state (as shown in fig. 5), gas in the inflating bin 906 is circulated into the second block 905 through a hose, the ball valves 909 in the first block 903 and the adjacent second block 905 are in a blocking state, when the second block 905 is moved to be matched with the adjacent first block 903, the ball valves 909 on the contact side of the first block 903 and the adjacent second block 905 are pushed inwards simultaneously, so that the first block 903 and the air ports of the adjacent second block 905 are communicated, the gas in the second block 905 is circulated into the adjacent first block 903, the first block 903 and the second block 905 are simultaneously inflated to realize a more effective sealing cavity, after the sealing cavity is formed, an operator controls the air pump 6 to maintain the air pressure in the adjacent inflating bin 906, so that the first block 903, the second block 905 and the acoustic baffle 904 are kept in contact with the acoustic tube 902, and the acoustic tube is completely placed under the condition of the acoustic tube.
After the detection shell 901 and the detection heads 902 are stabilized in the sounding pipe, a user controls the starting motor 5 through the control module 2, the output shaft of the motor 5 drives the rolling shafts 4 to rotate, the three rolling shafts 4 conduct uniform rolling on the connecting pipe 8, the connecting pipe 8 drives the detection shell 901 and the detection heads 902 on the detection shell to conduct uniform upward movement in the sounding pipe, the detection heads 902 conduct gradual detection on the whole of the bridge foundation pile, the detection heads 902 send out ultrasonic waves to be received by the other two detection heads 902 after the ultrasonic waves are transmitted in the bridge foundation pile, the detection heads 902 convert the received ultrasonic waves into electric signals to be transmitted into the control module 2, the control module 2 conducts analysis to display data of the specific bridge foundation pile through a display, the user evaluates structural conditions of the bridge foundation pile through checking parameters on the display until the three detection shells 901 and the detection heads 902 which are uniformly distributed are moved out from an upper side inlet of the sounding pipe, at the same time, the three rolling shafts 4 are stopped to conduct rolling on the connecting pipe 8 through the control module 2, the operation of the air pump 6 is conducted, the first sealing block 903, the second sealing block 905 and the gas in the bridge foundation pile is completely sealed 906.
In the embodiment 2, as shown in fig. 6-12, on the basis of the embodiment 1, the tightening assembly is further included, the tightening assembly is disposed on the three winding shafts 4, the tightening assembly includes two supporting shafts 1001 distributed in a left-right mirror image, the two supporting shafts 1001 distributed in a left-right mirror image are respectively and rotatably connected in the winding shafts 4 on the left side and the right side, the supporting shafts 1001 on the right side are fixedly connected with the output shaft of the motor 5, the two supporting shafts 1001 are respectively and rotatably connected with the left side and the right side of the supporting frame 3, one side of the three winding shafts 4 and the supporting frame 3 are respectively provided with a limiting ratchet 1002, the rotating connection part of the supporting frame 3 and the winding shafts 4 is provided with a pawl, the limiting ratchet 1002 is matched with the pawl on the supporting frame 3 to prevent detachment and reversion when the winding shafts 4 tighten the connecting pipe 8, three limiting baffles 1004 are fixedly connected between the two supporting shafts 1001 distributed in a mirror image, the three limit baffles 1004 are respectively positioned in three winding shafts 4 which are uniformly distributed, three tightening gears 1006 which are uniformly distributed are connected on the power shaft 1003 in a sliding way, the tightening gears 1006 are positioned on the right side of the adjacent fiber baffles 1004, synchronous baffles which are in mirror image distribution are fixedly connected in the three winding shafts 4, the tightening gears 1006 are in limit fit with the synchronous baffles on the left side in the adjacent winding shafts 4, a reset torsion spring 1005 with the diameter larger than that of the power shaft 1003 is fixedly connected between the tightening gears 1006 and the adjacent limit baffles 1004, a thread groove between the limit baffles 1004 and the adjacent tightening gears 1006 is arranged on the power shaft 1003, the tightening gears 1006 are in limit fit with the adjacent thread groove on the power shaft 1003, the limit baffles 1004, the reset torsion spring 1005 and the adjacent tightening gears 1006 are driven to rotate by the power shaft 1003, the tightening gears 1006 are matched with the adjacent winding shafts 4 to rotate, when the pulling force of the connecting pipe 8 to the adjacent winding shaft 4 is gradually increased to the gravity of the adjacent detection shell 901 and the detection head 902, the tightening gear 1006 rotates relatively on the power shaft 1003, meanwhile, the tightening gear 1006 is separated from the cooperation of the synchronous baffle of the adjacent winding shaft 4 under the action of a thread groove on the power shaft 1003, so as to achieve the effect of tightening according to the tightening state of the connecting pipe 8, a trigger frame 1009 is fixedly connected to the right side of the tightening gear 1006, a spring reset rod 1010 is slidably connected in the trigger frame 1009, the spring reset rod 1010 is in contact with the power shaft 1003, the spring at the upper side of the spring reset rod 1010 is in a compressed state, a spring reset slider 1011 is slidably connected between the limit baffle 1004 and the adjacent tightening gear 902, the lower end of the spring reset slider 1011 is in a rectangle shape, the elastic coefficient of a spring in the spring reset slider 1011 is smaller than that of the spring in the spring reset slider 1010, and after the spring reset slider 1011 pushes the spring reset slider 1011 downwards under the action of the reset elastic force, the spring reset slider 1011 is in a manner that the spring reset slider 1011 cannot be reset on the power shaft 1006, and therefore the spring reset gear 1006 cannot be limited by the reset shaft 1006.
As shown in fig. 9-12, the device further comprises a winding component, the winding component is arranged on the power shaft 1003, the winding component comprises an adjusting shaft 1007, the adjusting shaft 1007 is slidably connected in the power shaft 1003 and two support shafts 1001 which are mirror symmetry, three uniformly distributed rewinding gears 1008 are fixedly connected with the adjusting shaft 1007, the rewinding gears 1008 are positioned in the adjacent winding shafts 4, the rewinding gears are positioned on the right sides of the tightening gears 1006, the rewinding gears 1008 are in limit fit with the synchronous baffles on the right sides in the adjacent winding shafts 4, the distance between the tightening gears 1006 and the adjacent rewinding gears 1008 is always larger than the distance between the two synchronous baffles which are mirror image distributed in the adjacent winding shafts 4, the tightening gears 1006 and the adjacent rewinding gears 1008 are prevented from being simultaneously matched with the synchronous baffles in the adjacent winding shafts 4, a reset plate is fixedly connected on one side of the adjusting shaft 1007 positioned in the left support shaft 1001, a reset plate on the left side of the adjusting shaft 1007 and the left end of the power shaft 1003 are fixedly connected with reset springs positioned in the left supporting shaft 1001, three wedge-shaped stop blocks which are uniformly distributed are fixedly connected on the adjusting shaft 1007, the wedge-shaped stop plates on the adjusting shaft 1007 are positioned on the right side of the adjacent spring reset slide blocks 1011, the spring reset slide blocks 1011 are in limit fit with the adjacent wedge-shaped stop blocks on the adjusting shaft 1007, the left sides of the three spring reset slide blocks 1011 are fixedly connected with limit rails 1012, the upper side surfaces of the limit rails 1012 are inclined surfaces which gradually incline upwards from right to left, the lower side surfaces of the limit rails 1012 are horizontal planes, three reset straight rods which are uniformly distributed are fixedly connected on the adjusting shaft 1007, the reset straight rods on the adjusting shaft 1007 are positioned on the left sides of the adjacent limit rails 1012, the reset straight rods on the adjusting shaft 1007 are in contact fit with the adjacent limit rails 1012, the lateral distance between the limiting rail 1012 and the adjacent spring reset slider 1011 is smaller than the lateral distance between the wedge-shaped stop block on the adjusting shaft 1007 and the adjacent reset straight rod, the spring reset slider 1011 is matched with the adjacent wedge-shaped stop block on the adjusting shaft 1007 and the reset straight rod, when the tightening gear 1006 drives the adjacent spring reset rod 1010 to trigger the matching with the adjacent spring reset slider 1011, the spring reset slider 1011 and the adjusting shaft 1007 are released from limiting, when a user resets the adjusting shaft 1007, the reset straight rod on the 408 drives the limiting rail 1012 to reset the spring reset slider 1011, so that the switching and resetting of the tightening and winding actions are realized, and the occurrence of up-down displacement difference caused by the movement of the detecting head 902 in the sounding pipe is avoided.
After the detection shell 901 and the detection head 902 are stably centered at the bottom of the sounding pipe, an operator controls the motor 5 to start through the control module 2, an output shaft of the motor 5 drives an adjacent supporting shaft 1001 to rotate, the supporting shaft 1001 drives the power shaft 1003 to rotate, the power shaft 1003 simultaneously drives three limiting baffles 1004 to rotate, in an initial state (as shown in fig. 9), taking a group of winding shafts 4 on the left side as an example, the tightening gear 1006 is in a synchronous baffle matching state with the winding shafts 4, at the moment, the pulling force of the connecting pipe 8 on the winding shafts 4 is smaller than the gravity of the detection shell 901 and the detection head 902, the reset torsion spring 1005 drives the tightening gear 1006 to keep matching with the synchronous baffles of the winding shafts 4, the limiting baffles 1004 drive the reset torsion spring 1005 to rotate, the reset torsion spring 1005 drives the tightening gear 1006 to rotate, and simultaneously, under the effect of a reset torsion force of the reset torsion spring 1005 and a thread groove on the power shaft 1003, the synchronous shaft 1003 rotates the tightening gear 1006, and the tightening gear 1006 drives the winding shafts 4 to rotate through the synchronous baffles of the winding shafts 4 to realize tightening of the winding shafts 4, so that the tightening of the connecting pipe 8 is realized, and displacement difference is prevented when the detection shell 901 and the detection head 902 move upwards.
When the downward pulling force of the detection shell 901 and the detection head 902 on the connecting pipe 8 is equal to the gravity of the detection shell 901 and the detection head 902, the winding shaft 4 drives the tightening gear 1006 to reversely rotate relative to the power shaft 1003, the tightening gear 1006 moves leftwards under the action of a thread groove on the power shaft 1003 to be disengaged from the synchronous baffle of the winding shaft 4, in an initial state (as shown in fig. 7), the lower end of the spring reset lever 1010 in the trigger frame 1009 is in contact with the power shaft 1003, the spring in the trigger frame 1009 is in a compressed state, the right side of the lower end of the spring reset slide 1011 limits the adjacent wedge-shaped baffle on the adjusting shaft 1007, the adjusting shaft 1007 cannot be reset through the reset plate and the reset spring, when the tightening gear 1006 moves on the power shaft 1003 to be disengaged from the synchronous baffle of the adjacent winding shaft 4, the lower end of the spring reset lever 1010 is in contact with the spring reset slide 1011 and pushes the adjacent spring reset slide 1011 downwards, the tightening gear 1006 is disengaged from the adjacent wedge-shaped baffle on the adjusting shaft 1007 through the adjacent spring reset lever 1010, after the synchronous baffle in the winding shaft 4 is disengaged from the adjacent tightening gear 1011, the tightening gear is disengaged from the adjacent tightening gear 3, and the tightening performance of the connecting pipe 8 cannot be simultaneously improved, and the tightening performance of the connecting pipe 8 cannot be accurately measured.
After the three winding shafts 4 respectively drive the corresponding connecting pipes 8 to tighten, the limit of the adjacent wedge-shaped check blocks on the adjusting shafts 1007 is relieved by the corresponding three spring reset sliding blocks 1011, the adjusting shafts 1007 drive the reset plates on the left sides of the adjusting shafts 1007 and the adjusting shafts 1007 to move leftwards under the reset elastic force of the left side reset springs, the adjusting shafts 1007 drive the rewinding gears 1008 to move leftwards to be matched with the synchronous baffle plates in the adjacent winding shafts 4, the output shafts of the motors 5 drive the power shafts 1003 to rotate, the power shafts 1003 drive the rewinding gears 1008 to rotate, the rewinding gears 1008 drive the adjacent winding shafts 4 to rotate, the three winding shafts 4 synchronously wind the three connecting pipes 8, the connecting pipes 8 synchronously drive the three annularly distributed detection shells 901 and the detection heads 902 to move upwards at the same time so as to improve the accuracy in measurement, reduce the damage to the detection heads 902 and the contact with the acoustic tubes, and the uniform tightening and winding of the detection shells 901 and the detection heads 902 are completed.
Embodiment 3, on the basis of embodiment 2, as shown in fig. 13, still include the ventilation straight-bar 1101, the lower extreme in adjacent connecting pipe 8 is located to the gas outlet on the ventilation straight-bar 1101, the upside of detection shell 901 is provided with the air vent, the upside of the gas cartridge 906 of upside is provided with the air vent that corresponds with on the adjacent detection shell 901, be used for making gas cartridge 906 and external connection, with the gas discharge in the gas cartridge, the ventilation straight-bar 1101 is simultaneously with the air vent on detection shell 901 and the vent closure on gas cartridge 906, be provided with the air vent on the ventilation straight-bar 1101, the air inlet on the air vent is located its lower extreme on the ventilation straight-bar 1101, the gas outlet on the ventilation straight-bar 1101 is located the downside of the vent closure department on ventilation straight-bar 1101 and the adjacent gas cartridge 906, the rigid coupling has extension spring 1102 between lower extreme and the adjacent gas cartridge 906 of connecting pipe 8, through the cooperation of ventilation straight-bar 1101 and the air vent on the detection shell 901, in order to realize that there is the foreign matter to block and continue to pull upward in the sound measurement pipe when the power increases, make the first shutoff block 903 of annular distribution and second shutoff block 903 and second shutoff block 905 keep away from the sound pipe 901 and keep out of the seal state in the sound pipe closure shell and the second shutoff block 901 and keep the position of the foreign matter in the sound pipe and the annular shutoff state in the sound pipe closure state.
When foreign matters exist on the inner wall of the sounding pipe and the sounding casing 901 and the sounding head 902 are pulled upwards by the connecting pipe 8 to detect, the first blocking block 903 and the second blocking block 905 which are distributed in an annular mode are matched with the blocking baffle 904 to keep a close fit state with the sounding pipe, so that the sounding casing 901 cannot continue to move upwards when moving to the foreign matters, in an initial state (as shown in fig. 13), the ventilation straight rod 1101 is in a state of blocking the ventilation holes on the sounding casing 901 and the ventilation holes on the inflating cabin 906 at the same time, the sounding casing 901 is pulled upwards continuously through the connecting pipe 8, a reset tension spring 1102 between one end of the connecting pipe 8 in the inflating cabin 906 and the adjacent inflating cabin 906 is stretched until the connecting pipe 8 drives the adjacent ventilation straight rod 1101 to move upwards, the ventilation straight rod 1101 moves upwards to enable the ventilation channels on the ventilation straight rod 1101 to communicate the inflating cabin 906 with the outside, the gas in the inflating bin 906 is exhausted, the first blocking block 903, the second blocking block 905 and the blocking baffle 904 which are annularly distributed are simultaneously retracted into the detecting shell 901, the close fitting state with the inner wall of the sound tube is relieved, the detecting shell 901 can pass through the foreign matter part of the inner wall of the sound tube, after passing through the foreign matter part, the inflating bin 906 and the detecting shell 901 are pulled to be simultaneously reset under the reset tension of the reset tension spring 1102 at the lower end of the connecting tube 8, the ventilating straight rod 1101 is downwards moved to the vent hole on the detecting shell 901 and the vent hole blocking state on the inflating bin 906 relative to the detecting shell 901, the air pump 6 continuously inflates and maintains pressure in the inflating bin 906, the first blocking block 903, the second blocking block 905 and the blocking baffle 904 which are annularly distributed are simultaneously extended out of the detecting shell 901, the close fitting state with the inner wall of the sound tube is restored, the probe housing 901 is re-centered stably on the central axis of the sound tube.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted equally without departing from the spirit and scope of the technical solution of the present invention.

Claims (7)

1. Bridge foundation pile detection device based on ultrasonic wave technique, including base (1), the rigid coupling has support frame (3) on base (1), support frame (3) rotate and are connected with evenly distributed's receipts spool (4), support frame (3) one side rigid coupling has motor (5), the rigid coupling has air pump (6) on base (1), be provided with on base (1) with fixed pulley (7) that receive spool (4) correspond, evenly distributed all around being equipped with connecting pipe (8) on receive spool (4), the air outlet of air pump (6) and evenly distributed connect pipe (8) all communicate, adjacent one end that receive spool (4) is kept away from to connecting pipe (8) is provided with surveys shell (901), it has detection head (902) to survey in shell (901), characterized by: the detection device is characterized by further comprising annular and mirror-distributed first blocking blocks (903), wherein the mirror-distributed first blocking blocks (903) are respectively and slidably connected to two sides, away from the adjacent detection heads (902), of the adjacent detection shells (901), blocking baffles (904) are fixedly connected between the mirror-distributed first blocking blocks (903), the blocking baffles (904) are slidably connected with the adjacent detection shells (901), the annular and mirror-distributed second blocking blocks (905) are slidably connected to the detection shells (901), the annular and mirror-distributed second blocking blocks (905) are located on the upper side and the lower side of the detection heads (902), and an inflation assembly is arranged in the detection shells (901) and is used for driving the adjacent and mirror-distributed first blocking blocks (903), the adjacent and the mirror-distributed second blocking baffles (904) to move;
the arc-shaped sealing rings are formed by matching the first sealing blocks (903) distributed in an annular mode and the second sealing blocks (905) distributed in an adjacent annular mode, and the arc-shaped angles of the arc-shaped sealing rings are larger than 180 degrees;
the inflatable assembly comprises inflatable cabins (906) which are distributed in a mirror image mode, the inflatable cabins (906) which are distributed in a mirror image mode are fixedly connected to two sides, away from the adjacent detecting heads (902), in the adjacent detecting shells (901) respectively, the inflatable cabins (906) which are distributed in a mirror image mode are communicated through hoses, one sides, close to the base (1), of the inflatable cabins (906) and one ends, away from the adjacent winding shafts (4), of the adjacent connecting pipes (8) are in sliding connection, one sides, close to the adjacent inflatable cabins (906), of the second blocking blocks (905) are hinged with first piston connecting rods (907), springs are fixedly connected between one sides, close to the adjacent detecting heads (902), of the first blocking blocks (903), one sides, close to the adjacent inflatable cabins (906) are hinged with second piston connecting rods (908), and the telescopic ends of the first piston connecting rods (907) and the telescopic ends of the adjacent second piston connecting rods (908) are both in sliding connection with the adjacent inflatable cabins (906);
the novel sealing device is characterized in that air inflation cavities are formed in the first sealing block (903) and the second sealing block (905), the air inflation cavities in the second sealing block (905) are communicated with adjacent air inflation cabins (906) through hoses, communication ports are formed in one side, in contact with the second sealing block (905), of the first sealing block (903) and one side, in contact with the second sealing block (905), of the second sealing block, and ball valves (909) are formed in the communication ports.
2. The ultrasonic technology-based bridge foundation pile detection device according to claim 1, wherein: the fixed pulleys (7) which are uniformly distributed are distributed in an equilateral triangle, and the equilateral triangle is arranged in the round interior of the bridge foundation pile.
3. The bridge foundation pile detection device based on the ultrasonic technology according to claim 2, wherein: the tightening assembly comprises supporting shafts (1001) which are distributed in a mirror image mode, the supporting shafts (1001) which are distributed in a mirror image mode are respectively and rotationally connected in the adjacent winding shafts (4), an output shaft of the motor (5) is fixedly connected with the adjacent supporting shafts (1001), the supporting shafts (1001) which are distributed in a mirror image mode are rotationally connected with the supporting frames (3), limit ratchets (1002) are arranged at the rotational connection positions of the winding shafts (4) and the supporting frames (3), pawls are arranged at the rotational connection positions of the supporting frames (3) and the winding shafts (4), the limit ratchets (1002) are in limit fit with the pawls on the supporting frames (3), limit baffles (1004) are fixedly connected with one side, far away from the motor (5), of each power shaft (1003), of each supporting shaft is rotationally connected with a limit gear (1006) which is distributed in a mirror image mode, corresponding to the winding shaft (4), and is located in the adjacent side, close to the limit baffles (1004) which are fixedly connected with one side, of the adjacent winding shafts (1006), tightening gear (1006) with adjacent synchronous baffle spacing cooperation in reel (4), tightening gear (1006) with adjacent rigid coupling has reset torsion spring (1005) between limit baffle (1004), be provided with on power shaft (1003) to be located adjacent limit baffle (1004) with adjacent screw thread groove between tightening gear (1006), tightening gear (1006) with adjacent screw thread groove spacing cooperation on power shaft (1003), tightening gear (1006) are close to one side rigid coupling of motor (5) has trigger frame (1009), trigger frame (1009) sliding connection has spring return lever (1010), spring return lever (1010) with power shaft (1003) contact cooperation, sliding connection has on power shaft (1003) to be located adjacent between limit baffle (1004) and adjacent spring return slider (1011), spring return lever (1010) with spring return slider (1011) contact cooperation.
4. The bridge foundation pile detection device based on the ultrasonic technology according to claim 3, wherein: the winding assembly is arranged on the power shaft (1003), the winding assembly comprises an adjusting shaft (1007), the adjusting shaft (1007) is slidably connected in the power shaft (1003), a uniformly distributed rewinding gear (1008) is fixedly connected between one side of the adjusting shaft (1007) close to the supporting shaft (1001), the rewinding gear (1008) is positioned in the adjacent winding shaft (4), the rewinding gear (1008) is positioned on one side of the tightening gear (1006) close to the motor (5), the rewinding gear (1008) is in limit fit with an adjacent synchronous baffle plate adjacent to the winding shaft (4), a reset plate is fixedly connected on one side of the adjusting shaft (1007) away from the motor (5), a reset spring is fixedly connected between one side of the reset plate on the adjusting shaft (1007) close to the adjacent supporting shaft (1001), a uniformly distributed wedge-shaped stop block is fixedly connected on the adjusting shaft (1007), the wedge-shaped stop block on the adjusting shaft (1007) is positioned on one side of the adjacent spring reset block motor (1011) close to the motor (5), the reset plate is fixedly connected on one side of the adjusting shaft (1007) close to the reset plate (1011) which is fixedly connected on one side of the linear bar (11) which is far from the linear bar (5), the reset straight rod on the adjusting shaft (1007) is in contact fit with the adjacent limit rail (1012).
5. The bridge foundation pile detection device based on the ultrasonic technology according to claim 4, wherein: the distance between the tightening gear (1006) and the adjacent rewinding gear (1008) is always greater than the distance between the synchronizing baffles in mirror image distribution in the rewinding shaft (4).
6. The bridge foundation pile detection device based on the ultrasonic technology according to claim 5, wherein: the transverse distance between the limiting track (1012) and the adjacent spring return sliding block (1011) is smaller than the transverse distance between the adjacent wedge-shaped stop block on the adjusting shaft (1007) and the adjacent return straight rod, and the elastic coefficient of the spring in the spring return sliding block (1011) is smaller than the elastic coefficient of the spring in the adjacent spring return rod (1010).
7. The bridge foundation pile detection device based on the ultrasonic technology according to claim 6, wherein: the novel air charging device is characterized by further comprising an evenly-distributed ventilation straight rod (1101), wherein the ventilation straight rod (1101) is fixedly connected to the adjacent connecting pipe (8) and is far away from the end of the winding shaft (4), an air vent is formed in one side, close to the base (1), of the detection shell (901), an air vent corresponding to the air vent on the detection shell (901) is formed in the air charging bin (906) close to one side of the base (1), the ventilation straight rod (1101) is simultaneously connected to the adjacent air vent on the detection shell (901) and the adjacent air vent on the air charging bin (906), an air vent is formed in the ventilation straight rod (1101), and a tension spring (1102) is fixedly connected between one end, close to the winding shaft (4), of the connecting pipe (8) and the adjacent air charging bin (906).
CN202311647937.3A 2023-12-05 2023-12-05 Bridge foundation pile detection device based on ultrasonic technology Active CN117364858B (en)

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